Ceiling fan

[0001]FIG. 1 is a front bottom perspective view of a ceiling fan showing the claimed design;

[0002]FIG. 2 is a front view thereof;

[0003]FIG. 3 is a rear view thereof;

[0004]FIG. 4 is a left side view thereof;

[0005]FIG. 5 is a right side view thereof;

[0006]FIG. 6 is a top view thereof; and,

[0007]FIG. 7 is a bottom view thereof.

[0008]Broken lines illustrate portions of the ceiling fan that form no part of the claimed design. Unshaded surfaces adjacent to broken lines form no part of the claimed design. The depth and configuration of the grooves defined in the bottom surface of the fan blades form no part of the claimed design.